time tunnel animation - can this be done as high res and smooth as the video?

[Dav]

Nice.  bplus your version looks pretty smooth.  Playing with it I added *.75 to the putimage to give the tunnel more of a squashed look close to the original animation loop (not perfect circle look).

_PutImage (300 - w2, 300 - w2 * .75)-Step(w, w * .75), c&, 0

- Dav